CVE-2025-31979
Estado: AplazadaMedia (5.4)—
A File Upload Validation Bypass vulnerability has been identified in the HCL BigFix SM, where the application fails to properly enforce file type restrictions during the upload process. An attacker may exploit this flaw to upload malicious or unauthorized files, such as scripts, executables, or web shells, by bypassing client-side or server-side validation mechanisms.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.21%
- Percentil entre todas las CVEs puntuadas: 10
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-434
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-31979",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-31979",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-08-28T17:14:04.154514Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@hcl.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.5,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "psirt@hcl.com",
"affectedData": [
{
"vendor": "HCL Software",
"product": "BigFix Service Management (SM)",
"versions": [
{
"status": "affected",
"version": "23",
"versionType": "Framework"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2025-08-28T17:15:35.650",
"references": [
{
"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0123631",
"source": "psirt@hcl.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@hcl.com",
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A File Upload Validation Bypass vulnerability has been identified in the HCL BigFix SM, where the application fails to properly enforce file type restrictions during the upload process. An attacker may exploit this flaw to upload malicious or unauthorized files, such as scripts, executables, or web shells, by bypassing client-side or server-side validation mechanisms."
},
{
"lang": "es",
"value": "Una vulnerabilidad de omisión de validación de carga de archivos ha sido identificada en HCL BigFix SM, donde la aplicación no logra aplicar correctamente las restricciones de tipo de archivo durante el proceso de carga. Un atacante puede explotar esta falla para cargar archivos maliciosos o no autorizados, como scripts, ejecutables o web shells, al omitir los mecanismos de validación del lado del cliente o del lado del servidor."
}
],
"lastModified": "2026-09-26T00:10:00.127",
"sourceIdentifier": "psirt@hcl.com"
}